LSC020I09-R-V2 (ST7789P3): 2.0-inch TFT LCD Module, 240×320, SPI/RGB Interface, 262k Colors, Transmissive IPS
Product Subtitle / Keywords
2.0 Inch Display, 240(RGB)×320 Resolution, Transmissive a-Si TFT-LCD Module, COG+FPC+B/L+CTP Module Type, SPI & RGB Interface, 262K Colors, Main LCD Driver: ST7789P3, Module Size: 39.24 × 59.24 × 3.38 mm, Active Area: 30.6 × 40.8 mm, Operating Temp: -10°C ~ +60°C, Storage Temp: -20°C ~ +70°C, Backlight: 3 Chip-White LED (Parallel), Vf=3.2V, If=60mA, Viewing Direction: IPS / ALL VIEW, with Capacitive Touch Panel (CTP, IC: CST816D), Glass Cover Lens (0.7mm, GF, ≥6H Hardness), RoHS Compliant
1. Executive Summary And Product Positioning
The LSC020I09-R-V2 is a 2.0-inch diagonal transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module, manufactured by Lesson (Wanan) Smart Display Technology Co., Ltd. This comprehensive module is a complete, ready-to-use visual and touch interface solution, integrating a TFT-LCD panel, a driver circuit, a backlight unit (B/L), and a capacitive touch panel (CTP) with a cover lens into a compact and robust package. The product specification (Revision 1.0) serves as the definitive technical document for this module.
This module is characterized by its high-resolution display and integrated touch functionality in a 2.0-inch form factor. It features a resolution of 240(RGB)×320 pixels and is capable of displaying up to 262k colors, which corresponds to 6-bit color depth per primary color (Red, Green, Blue). This ensures smooth color gradients and detailed imagery suitable for advanced graphical user interfaces. The inclusion of a CTP and cover glass eliminates the need for a separate touch sensor and display protection, simplifying system integration and mechanical design. The cover glass features a surface hardness of ≥6H for durability and ≥85% transmittance for clarity.
The unequivocal recommendation for engineers is to strictly adhere to the absolute maximum ratings, electrical specifications, and interface timing described herein to ensure reliable performance and compatibility within the intended application. Failure to operate within these limits can lead to permanent damage, degraded optical performance, or reduced product lifespan.
2. Critical Document Discrepancy (Knowledge Base)
Important Note: The knowledge base contains two separate document versions for the LSC020I09-R-V2. One is titled LSC020I09-R-V2（SPEC）.pdf (this version), which specifies a Module Type: COG+FPC+B/L+CTP, meaning it includes a Capacitive Touch Panel. The other is titled LS020I09-R-V2.pdf, which specifies a Module Type: COG+FPC+B/L (without CTP). This specification is for the version with CTP. If your design does not require a touch panel, please refer to the other document.
3. Detailed Product Overview And Architecture
The LSC020I09-R-V2 is engineered for devices that demand a clear, vibrant display with touch input capability in a moderately sized package, such as handheld instruments, smart home hubs, and industrial control panels. Its architecture is built around several key technologies and design choices:
- Core Technology: Transmissive type a-Si TFT-LCD. This widely adopted technology uses a thin layer of amorphous silicon to create transistors that actively control each pixel. As a transmissive display, it requires a backlight to be visible and offers excellent color saturation and contrast in typical indoor lighting conditions.
- Module Type: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight) + CTP (Capacitive Touch Panel). This construction is a hallmark of advanced, compact displays. The driver IC (ST7789P3) is directly mounted onto the LCD glass (COG), minimizing size. The FPC provides a flexible connection. The B/L is essential for making the display visible. The CTP, controlled by a dedicated IC (CST816D), provides native touch input capability. The module also includes a cover glass lens (0.7mm) for protection.
- Display Format: Graphic 240(RGB)×320 Dot-matrix. This is a classic QVGA portrait resolution, ideal for applications like small handheld terminals, medical devices, and phone sub-displays. The RGB stripe arrangement provides full color mixing for each pixel.
- Display Characteristics: Capable of displaying up to 262k colors. This refers to 6-bit color depth per primary color (R, G, B), allowing the module to generate 262,144 distinct colors.
- Interface Type: The module supports both a SPI (Serial Peripheral Interface) for control commands and an RGB interface for video data. This hybrid approach allows for flexible configuration (using SPI) and high-speed video data transfer (using RGB). The CTP uses a dedicated I2C interface.
- Main LCD Driver IC: The module integrates the ST7789P3 driver IC. This specific IC is designed to drive the TFT matrix, generate the necessary supply voltages, and handle both the SPI and RGB interface commands.
- Backlight Unit: The module utilizes a white LED backlight comprised of 3 chips connected in parallel. The specified driving condition is IF=60mA and Vf=3.2V.
- Special Features: IPS (In-Plane Switching) technology for wide viewing angles (All View Direction), high resolution (240x320), 262K color capability, integrated capacitive touch panel (CTP, IC: CST816D, GF structure), 0.7mm tempered glass cover lens with ≥6H hardness, compact size, and compliant with the RoHS directive.
- Approval Status: Approved Product Specification only (Revision 1.0).
4. Exhaustive Technical Specifications
4.1 Physical & General Specification
This section provides the physical dimensions and other key general parameters of the module, which are critical for mechanical design integration. The module is compact and has a specific thickness for the LCD, FPC, and TP stackup.
| Parameter | Specification | Unit |
|---|---|---|
| Panel Size | 2.0'' (Diagonal) | Inch |
| Module Size (H×V×D) | 39.24 × 59.24 × 3.38 | mm |
| Active Area (H×V) | 30.6 × 40.8 | mm |
| Number of Dots | 240(RGB) × 320 | pixels |
| Display Type | Active matrix TFT, Transmissive, IPS | - |
| Display Colors | 262K | colors |
| Module Type | COG+FPC+B/L+CTP | - |
| Main LCD Driver IC | ST7789P3 | - |
| Input Data | 6-bit RGB / SPI | - |
| Viewing Direction | IPS (ALL VIEW) | - |
| Touch Panel Type | Capacitive (GF), Cover Lens: 0.7mm Glass, Hardness ≥6H | - |
| TP IC | CST816D | - |
4.2 Absolute Maximum Ratings (Note1, Note2)
The absolute maximum ratings are stress limits. Operating the module at or beyond these values can result in irreversible damage.
| Item | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply voltage | VDD | -0.3 | 4.6 | V |
| Operating temperature | TOPR | -10 | 60 | °C |
| Storage temperature | TSTR | -20 | 70 | °C |
Note1: Exceeding these values may cause permanent damage.
Note2: All voltages are referenced to GND.
4.3 Electrical Characteristics
These are the recommended operating conditions for the module.
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply voltage | VDD | 2.4 | 2.8 | 3.3 | V |
| Input Voltage (L level) | VIL | 0 | - | 0.3*IOVCC | V |
| Input Voltage (H level) | VIH | 0.7*IOVCC | - | IOVCC | V |
4.4 Backlight Driving Conditions
The module uses a white LED backlight composed of 3 chips in parallel. The driving condition is: IF=60mA, Vf=3.2V.
| Parameter | Symbol | Typ | Unit |
|---|---|---|---|
| Forward Voltage | Vf | 3.2 | V |
| Forward Current | IF | 60 | mA |
4.5 Interface Connection (14-Pin + 6-Pin)
The module uses a main 14-pin FPC connector for the LCD and a 6-pin FPC connector for the CTP. The LCD connector includes power (VCC, GND), SPI control signals (SCL, SDA, CS, RESET), and RGB video signals (D0-D5, VS, HS, DE, DCLK). The TP connector uses an I2C interface.
4.5.1 LCD Interface (14-Pin Connector)
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 1 | A | P | Back light anode + |
| 2 | K | P | Back light cathode - |
| 3 | TP_SCL | I | SCL pin for TP |
| 4 | TP_SDA | I/O | SDA pin for TP |
| 5 | TP_INT | O | Interrupt signal for TP |
| 6 | TP_RESET | I | Reset Pin for TP |
| 7-12 | D5-D0 | I | Data bus for RGB interface |
| 13 | RESET | I | Reset signal for LCD |
| 14 | CS | I | Chip select pin |
| 15 | SCL | I | Serial interface clock |
| 16 | SDA | I/O | Serial data input |
| 17 | VS | I | Vertical sync for RGB interface |
| 18 | HS | I | Horizontal sync for RGB interface |
| 19 | DE | I | Data enable for RGB interface |
| 20 | DCLK | I | Dot clock for RGB interface |
| 21, 22 | GND | P | Ground |
| 23, 24 | VCC | P | Power supply (2.8~3.3V) |
5. Application Scenario
The LSC020I09-R-V2 is a versatile and high-performance display module with an integrated touch panel and cover glass, making it an ideal choice for any embedded system that requires a compact, vibrant visual output and user input capability in a durable package. Its 2.0-inch diagonal size with a 240×320 resolution provides a crisp and detailed image for rich graphical content and text. The 262K color capability allows for a visually appealing user interface. The integrated CTP and cover glass eliminate the need for separate touch controller and display protection, simplifying the bill of materials and system integration.
Key application areas are numerous and diverse:
- Handheld Instruments: Multimeters, signal generators, and other portable test equipment benefit from a clear, readable display with touch control.
- Human-Machine Interfaces (HMI): Compact industrial controllers, smart home hubs, and IoT device control panels can use this module for a localized, intuitive interface.
- Medical Devices: Portable diagnostic tools, medical monitoring devices, and drug infusion pumps can utilize this display for data presentation and touch-based navigation.
- Smart Wearables: Smartwatches and fitness trackers benefit from the compact size, integrated touch, and IPS display for a modern user experience.
- Consumer Electronics: Remote controls, smart appliances, and point-of-sale (POS) terminals benefit from the all-in-one display and touch solution.
The module's IPS technology ensures excellent image consistency when viewed from any angle. The hybrid SPI/RGB interface makes it flexible for various microcontrollers. The cover glass provides a robust surface for touch interaction. Designers must ensure their application's operating environment stays within the -10°C to 60°C range.
6. Handling Precautions And Compliance
The LCD panel is made of glass and is fragile. The polarizer surface is easily scratched. The module should be handled with care to avoid applying pressure on the display area, especially the back of the LCD. ESD (Electrostatic Discharge) protection is mandatory throughout handling, assembly, and testing. Use grounded wrist straps, conductive work surfaces, and anti-static packaging. The FPC is also delicate; avoid sharp bends at the connector interface. The cover glass, while hard (≥6H), can still break under sharp impact.
The module should be stored in a clean, dry environment away from direct sunlight, high temperatures, and corrosive gases. The recommended storage temperature is -20°C to 70°C. It is strongly recommended to use the module within six months of manufacturing.
It is strongly recommended to read the full specification document (LSC020I09-R-V2 Product Specification Revision 1.0) before integration and to test the module under application-specific conditions. The manufacturer disclaims liability for damages resulting from improper use, modification, or failure to follow these guidelines.
The product is compliant with the RoHS (Restriction of Hazardous Substances) directive. Case design recommendations include maintaining a 0.3mm gap between the VA area and the housing window, and ensuring the TP edge does not contact metal conductors.
